| 1XN and NXN fiber optics couplers | |
| JING-JONG, PAN; MING, SHIH; WEITI, WU; YU-LI, KO; DONNA, S, YU | |
| 1999-07-28 | |
| 著作权人 | E-TEK DYNAMICS INC |
| 专利号 | GB2333612A |
| 国家 | 英国 |
| 文献子类 | 发明申请 |
| 其他题名 | 1XN and NXN fiber optics couplers |
| 英文摘要 | The present invention provides fiber optic couplers (20) for use with at least three optic fibers (10). The optic fibers (10) arranged in linear-array, that is, the optical fibers (10) are coupled side by side, The fibers (10) along either end of the linear-array are coupled only to a single fiber (10A), while the remaining fibers are generally coupled between only two adjacent fibers (10). Generally, at least one of the fibers (10) has a propagation constant different than the other fibers (10). Such variations in the propagation constant are used to vary the coupling coefficients among the fibers (10) of the linear-array, thereby providing a repeatable mechanism, to vary coupled power ratios among the fibers (10) of coupler (20).; Theoretical calculations and empirical experience have shown that varying the propagation constant of fibers (10) among a linear-array, generally by pre-pulling the fibers (10) by varying amounts, allows repeatable manufacturing of 1x3, 3x3, 1x4, 4x4, 1xN and even NxN fiber couplers having even coupled power ratios. |
| 公开日期 | 1999-07-28 |
| 申请日期 | 1997-11-05 |
| 状态 | 失效 |
| 内容类型 | 专利 |
| 源URL | [http://ir.opt.ac.cn/handle/181661/52112]  |
| 专题 | 半导体激光器专利数据库 |
| 作者单位 | E-TEK DYNAMICS INC |
| 推荐引用方式 GB/T 7714 | JING-JONG, PAN,MING, SHIH,WEITI, WU,et al. 1XN and NXN fiber optics couplers. GB2333612A. 1999-07-28. |
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